body {
    background-color: #f3f5f7;
    height: 19909px;
}

.header {
    height: 42px;
    /* background-color: pink; */
    margin: 30px auto;
}

.log {
    width: 195px;
    height: 42px;
    float: left;
}

.nav {
    margin-left: 60px;
}

.nav ul li {
    float: left;
    margin-left: 15px;
}

.nav ul li a {
    display: inline-block;
    height: 42px;
    line-height: 42px;
    padding: 0 10px;
    font-size: 18px;

}

.nav ul li a:hover {
    border-bottom: 2px solid #00a4ff;
    color: #00a4ff;
}

.searth {
    width: 412px;
    height: 42px;
    /* background-color: skyblue; */
    margin-left: 70px;
}

.searth input {
    width: 362px;
    height: 42px;
    border: 2px solid skyblue;
    padding-left: 15px;
    border-right: 0;
    font-size: 14px;

}

.searth input::placeholder {
    color: #bfbfbf;
}

.searth button {

    width: 50px;
    height: 42px;
    background-image: url(../images/btn.png);
}

.user {
    line-height: 42px;
    margin-right: 30px;
    font-size: 14px;
    color: #666;
}

.banner {
    height: 420px;
    background-color: #1c036c;
}

.banner .m {
    height: 420px;
    background: url(../images/banner2.png) no-repeat top center;
}

.sub-nav {
    width: 190px;
    height: 420px;
    background: rgba(0, 0, 0, .3);
}

.sub-nav ul li {
    height: 45px;
    line-height: 45px;
    padding: 0 20px;
}

.sub-nav ul li a {
    font-size: 14px;
    color: #fff;
}

.sub-nav ul li a::after {
    content: '>';
    float: right;
}

.sub-nav ul li a:hover {
    color: #00a4ff;
}

.course {
    width: 230px;
    height: 300px;
    background-color: #ffff;
    margin-top: 50px;
}

.course h2 {
    height: 48px;
    background-color: #9bceea;
    font-size: 18px;
    line-height: 48px;
    color: #ffffff;
    text-align: center;
}

.course .centent {
    padding: 0 20px;
}

.centent ul li {
    padding: 12px 0;
    border-bottom: 1px solid #e5e5e5;
}

.centent ul li h4 {
    font-size: 16px;
    color: #4e4e4e;
    font-weight: 400;
}

.centent li p {
    font-size: 12px;
    color: #a5a5a5;
}

.centent li span {
    font-size: 14px;
}

.centent a {
    display: block;
    height: 41px;
    border: 1px solid #00a4ff;
    font-size: 16px;
    color: #00a4ff;
    text-align: center;
    line-height: 41px;
    margin-top: 4px;
    font-weight: 700;
}

.goods {
    /* overflow: hidden; */
    height: 60px;
    background-color: #fff;
    line-height: 60px;
    margin-top: 8px;
    padding: 0 30px;
    box-shadow: 0px 2px 3px 0px rgba(118, 118, 118, 0.2);
}

.goods-item li {
    float: left;
}

.goods h3 {
    font-size: 16px;
    color: #00a4ff;
}

.goods>a {
    font-size: 14px;
    color: #00a4ff;
}

.goods-item {
    margin-left: 30px;
}

.goods-item li a {
    line-height: 1;
    font-size: 16px;
    padding: 0 30px;
    color: #050505;
    border-left: 1px solid #bfbfbf;
}

.box {
    margin-top: 30px;
}

.box-hd {
    height: 45px;
}

.box-hd h3 {
    font-size: 20px;
    color: #494949;
    font-weight: 400;
}

.box-hd a {
    font-size: 12px;
    color: #a5a5a5;
    margin-top: 8px;
    margin-right: 35px;
}

.box-bd li em img {
    position: absolute;
    top: 5px;
    right: -5px;
}

.box-bd ul li {
    position: relative;
    float: left;
    width: 228px;
    height: 270px;
    background-color: #ffffff;
    margin: 0 15px 15px 0;
}

.box-bd ul li:nth-child(5n) {
    margin-right: 0;
}

.box-bd ul li:nth-child(n+6) {
    margin-bottom: 0;
}

.box-bd ul li .pic {
    width: 100%;
}

.box-bd li h4 {
    font-size: 14px;
    margin: 20px 20px 20px 25px;
    color: #050505;
    font-weight: 400;
}

.box-bd li .info {
    margin: 0 20px 0 25px;
    font-size: 12px;
    color: #999999;
}

.box-bd li span {
    color: #ff7c2d;
}

.foot {
    /* background-color: pink; */
    margin-top: 38px;
    line-height: 1;

}

.foot-hd h3 {
    font-size: 20px;
    color: #494949;
    font-weight: 400;
}

.foot-hd ul {
    margin-left: 331px;
}

.foot-hd ul li {
    float: left;
    padding: 5px 70px 0 0;
    font-size: 16px;
    color: #868686;
}

.foot-hd li .one {
    color: #00a4ff;
}

.foot-hd>a {
    margin: 5px 10px 0 0;
}

.foot-bd {
    height: 392px;
    margin-top: 22px;
}

.php {
    width: 228px;
    height: 392px;
}


.foot-bd ul li {
    width: 228px;
    height: 270px;
    background-color: #ffffff;
    float: left;
    /* margin: 23px 0 0 15px; */
    margin-top: 20px;
    margin-left: 15px;
}

.foot-bd li img {
    width: 100%;
}

.top {
    width: 958px;
    height: 100px;
    margin-left: 14px;

}

.foot-bd li h4 {
    margin: 25px 23px 20px;
    font-size: 14px;
    color: #050505;
    font-weight: 400;
    line-height: 20px;
}

.foot-bd li a {
    padding-left: 22px;
    font-size: 12px;
    color: #999999;
}

.foot-bd li a span {
    color: #ff7c2d;
}

.bottom {
    height: 309px;
    /* background-color: pink; */
    margin-top: 30px;
}

.bottom-bd ul li {
    float: left;
    width: 228px;
    height: 270px;
    background-color: #ffffff;
    float: left;
    /* margin: 23px 0 0 15px; */
    margin-top: 20px;
    margin-right: 15px;
}

.bottom-bd ul li:nth-child(5) {
    margin-right: 0;
}

.bottom-bd ul li h4 {
    font-size: 14px;
    margin: 20px 20px 20px 25px;
    color: #050505;
    font-weight: 400;
}

.bottom-bd ul li a {
    padding-left: 22px;
    font-size: 12px;
    color: #999999;
}

.bottom-bd ul li span {
    color: #ff7c2d;
}

.foot-hd ul li a:hover {
    color: #00a4ff;
}

.goods-item li a:hover {
    color: #00a4ff;
}
.ft {
    height: 417px;
    background-color: #ffffff;
    margin-top: 40px;
}
.ft .m {
    padding-top: 35px;
}
.copayte p {
    font-size: 12px;
    color: #6666;
    line-height: 18px;
    margin-top: 25px;
}
.copayte a {
    display: block;
    width: 120px;
    height: 36px;
    margin-top: 15px;
    font-size: 16px;
    text-align: center;
    line-height: 36px;
    color: #00a4ff;
    border: 1px solid #00a4ff;
}
.links dl {
    float: left;
    margin-left: 100px;
}
.links dt {
    font-size: 16px;
    color: #333;
    margin-bottom: 10px;
}
.links dd {
    font-size: 12px;
    line-height: 21px;
    color: #333;
}
.cebian {
    width: 183px;
    height: 425px;
    background-color: #ffffff;
    position: absolute;
    top: 991px;
    left: 151px;

}
.cebian ul{
    width: 133px;
    height: 372px;
   margin: 25px 25px;
   line-height: 1;
   /* background-color: red; */
   
  
}
.cebian ul li {
    padding-bottom: 22px;
    /* line-height: 36px; */
}
.cebian ul li a {
    /* line-height: 36px; */
    font-size: 14px;
    color: #000;
}
.cebian ul li a:hover {
    color: #00a4ff;
}